Tapered roller bearings tolerances

Tapered roller bearings tolerances, normal, P5. The symbols information (Bearing tolerances symbols)

Normal class tolerances for metric tapered roller bearings

Inner ring, bearing width and ring widths
d tΔdmp tVdsp tVdmp tΔBs tKia tΔTs tΔT1s tΔT2s
          Tolerance classes      
          Normal CL7C1)      
> U L     U L     U L U L U L
mm μm μm μm μm μm μm μm μm
                               
10 18 0 –12 12 9 0 –120 15 7 +200 0 +100 0 +100 0
18 30 0 –12 12 9 0 –120 18 8 +200 0 +100 0 +100 0
30 50 0 –12 12 9 0 –120 20 10 +200 0 +100 0 +100 0
                               
50 80 0 –15 15 11 0 –150 25 10 +200 0 +100 0 +100 0
80 120 0 –20 20 15 0 –200 30 13 +200 –200 +100 –100 +100 –100
120 180 0 –25 25 19 0 –250 35 +350 –250 +150 –150 +200 –100
                               
180 250 0 –30 30 23 0 –300 50 +350 –250 +150 –150 +200 –100
250 315 0 –35 35 26 0 –350 60 +350 –250 +150 –150 +200 –100
315 400 0 –40 40 30 0 –400 70 +400 –400 +200 –200 +200 –200
Outer ring
D tΔDmp tVDsp tVDmp tΔCs tKea
          Tolerance classes
          Normal CL7C1)
> U L     U L    
mm μm μm μm μm μm
                   
18 30 0 –12 12 9 0 –120 18 9
30 50 0 –14 14 11 0 –120 20 10
50 80 0 –16 16 12 0 –150 25 13
               
80 120 0 –18 18 14 0 –200 35 18
120 150 0 –20 20 15 0 –250 40 20
150 180 0 –25 25 19 0 –250 45 23
               
180 250 0 –30 30 23 0 –300 50
250 315 0 –35 35 26 0 –350 60
315 400 0 –40 40 30 0 –400 70
               
400 500 0 –45 45 34 0 –450 80
500 630 0 –50 60 38 0 –500 100
630 800 0 –75 80 55 0 –750 120

1) Tolerances are not in accordance with any ISO tolerance class and are for tapered roller bearings with reduced friction and reduced run-out tolerances.

P5 class tolerances for metric tapered roller bearings

Inner ring and bearing width
d tΔdmp tVdsp tVdmp tΔBs tKia tSd tΔTs tΔT1s tΔT2s
> U L   U L   U L U L U L
mm μm μm μm μm μm μm μm μm μm
                               
10 18 0 –7 5 5 0 –200 5 7 +200 –200 +100 –100 +100 –100
18 30 0 –8 6 5 0 –200 5 8 +200 –200 +100 –100 +100 –100
30 50 0 –10 8 5 0 –240 6 8 +200 –200 +100 –100 +100 –100
                               
50 80 0 –12 9 6 0 –300 7 8 +200 –200 +100 –100 +100 –100
80 120 0 –15 11 8 0 –400 8 9 +200 –200 +100 –100 +100 –100
120 180 0 –18 14 9 0 –500 11 10 +350 –250 +150 –150 +200 –100
                               
180 250 0 –22 17 11 0 –600 13 11 +350 –250 +150 –150 +200 –100
250 315 0 –25 19 13 0 –700 13 13 +350 –250 +150 –150 +200 –100
315 400 0 –30 23 15 0 –800 15 15 +400 –400 +200 –200 +200 –200
                               
400  500  -35  28  17  -900  20  17  +450  -450  +225  -225  +225  -22 
500  630 

-40

35  20  -1 100  25  20  +500  -500  –  – 
630  800  -50  45  25  -1 600  30  25  +600  -600 
                               
800  1 000  -60  60  30  -2 000  37  30  +750  -750  – 
1 000  1 250  -75  75  37  -2 000  45  40  +750  -750 
1 250  1 600  -90  90  45  -2 000  55  50  +900  -900 
Outer ring
D tΔDmp tVDsp tVDmp tΔCs tKea tSD1)
> U L  
mm μm μm μm   μm μm
                   
18 30 0 –8 6 5 Identical to 
ΔBs of an 
inner ring of the 
same bearing as 
the outer ring
6 4
30 50 0 –9 7 5 7 4
50 80 0 –11 8 6 8 4
               
80 120 0 –13 10 7 10 4,5
120 150 0 –15 11 8 11 5
150 180 0 –18 14 9 13 5
               
180 250 0 –20 15 10 15 5,5
250 315 0 –25 19 13 18 6,5
315 400 0 –28 22 14 20 6,5
               
400 500 0 –33 26 17 24 8,5
500 630 0 –38 30  20  30 10
630  800  -45  38  25  36  12,5 
               
800  1 000  -60  50  30  43  15 
1 000  1 250  -80  65  38  52  19 
1 250  1 600  -100  90  50  62  25 
               
1 600  2 000  -125  120  65  73  32,5 

1) Tolerance values have become half the values in accordance with the revised ISO standard (2014) because SD is defined as perpendicularity of outer ring outside surface axis with respect to datum established from the outer ring face.

Total width tolerances of matched metric single row tapered roller bearings

Bore diameter Total width tolerance ΔTsD of matched bearings in the series
  329 320 330 331 302, 322 332 303, 323 313
d ΔTsD ΔTsD ΔTsD ΔTsD ΔTsD ΔTsD ΔTsD ΔTsD
> U L U L U L U L U L U L U L U L
mm μm
                                   
30 +550 +50 +550 +100 +550 

+100

+600 +100 +500 +50
30 40 +600 +150 +550 +100 +600  +100  +600 +100 +600  +100  +600 +100 +550 +50
40 50 +650 +150 +600 +100 +650 +150 +600  +100  +600 +100 +600  +100  +600 +150 +550 +50
                                   
50 65 +650 +200 +600 +100 +650 +200 +600  +150  +600 +150 +600  +150  +650 +150 +550 +100
65 80 +700 +200 +600 +150 +700 +250 +650  +150  +650 +150 +650  +150  +700 +200 +600 +100
80 100 +750 –150 +650 –250 +800 –50 +700  -200  +700 –200 +700  -200  +700 –200 +600 –300
                                   
100 120 +750 –150 +700 –200 +800 –100 +700  -200  +700 –200 +700  -200  +750 –150 +600 –300
120 140 +1 100 –200 +1 000 –300 +1 100 –200 +1 000 –300 +1 100 –200 +950 –350
140 160 +1 150 –150 +1 050 –250 +1 100 –200 +1 050 –250 +1 150 –150 +950 –350
                                   
160 180 +1 150 –150 +1 100 –200 +1 100 –200 +1 150 –150
180 190 +1 150 –150 +1 100 –200 +1 100 –200 +1 200 –100
190 200 +1 150 –150 +1 100 –200 +1 100 –200 +1 200 –100
                                   
200 225 +1 200 –100 +1 150 –150 +1 150 –150 +1 250 –50
225 250 +1 200 –100 +1 200 –100 +1 200 –100 +1 300 0
250 280 +1 300 0 +1 250 –50 +1 250 –50
                                   
280 300 +1 400 +100 +1 300 0 +1 300 0
300 315 +1 400 +100 +1 350 +50 +1 350 +50
315 340 +1 500 –200 +1 450 –250 +1 450 -250 

ΔTsD designates the deviation of a single total abutment width of a matched bearing set from the nominal.

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